The highest body of water in the world is Lake Ojos del Salado, located at an elevation of approximately 6,390 meters (20,965 feet) on the Andes mountain range in Chile. It is situated near the world's highest active volcano, Ojos del Salado. This unique lake, while small and often partially frozen, holds the title due to its remarkable altitude. Additionally, its geographic location and high elevation make it a significant area for studies related to climate and geography, highlighting the unique ecosystems present at such extreme altitudes.